title: [Transient left deviation in the electrical axis of QRS during an exercise test as a manifestation of a severe proximal lesion of the descending anterior artery].
authors.forename: J L
authors.initials: JL
authors.lastname: López Negrete
authors.forename: G
authors.initials: G
authors.lastname: Iglesias Cubero
mesh_terms: D003327:Coronary Disease / Q000175:diagnosis* / Q000503:physiopathology; D004562:Electrocardiography; D005080:Exercise Test; D006327:Heart Block / Q000175:diagnosis; D006801:Humans; D008297:Male
vernacular_title: Desviación izquierda transitoria del eje eléctrico del QRS, durante la prueba de esfuerzo, como manifestación de lesión severa proximal de la arteria descendente anterior.